Supplier Page from Thermo Fisher Scientific for 2-O-µa-D-Glucopyranosyl-L-ascorbic acid, 99.5%
3-Ethoxy-2-cyclohexen-1-one, 99% from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl oxamate, 99% from Thermo Fisher Scientific